Robert Horton sr.

“You can sing only what you are. You can paint only what you are. You must be what your experiences, your environment, and your heredity have made you. For better or for worse, you must play your own little instrument in the orchestra of life.”
― Dale Carnegie, How to Stop Worrying and Start Living: Time-Tested Methods for Conquering Worry

“The visionary lies to himself, the liar only to others.”
― Friedrich Nietzsche

“Above all, don't lie to yourself. The man who lies to himself and listens to his own lie comes to a point that he cannot distinguish the truth within him, or around him, and so loses all respect for himself and for others. And having no respect he ceases to love.”
― Fyodor Dostoevsky, The Brothers Karamazov

“You can fool yourself, you know. You'd think it's impossible, but it turns out it's the easiest thing of all.”
― Jodi Picoult, Vanishing Acts